128746670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{990359}}^1$

素因数の和:990379

約数の個数: 16

約数和(自身を含む): 249570720

約数和(自身を除く): 120824050

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 990359, 1980718, 4951795, 9903590, 12874667, 25749334, 64373335, 128746670]

約数ペア:

[(1, 128746670), (2, 64373335), (5, 25749334), (10, 12874667), (13, 9903590), (26, 4951795), (65, 1980718), (130, 990359)]